AC_LANG_SOURCE(
ifelse($2,,,[$2])[[
#ifdef $1
-CURL_DEF_TOKEN $1(77)
+CURL_DEF_TOKEN $1(_)
#endif
]])
],[
tmp_suf=`eval "$ac_cpp conftest.$ac_ext" 2>/dev/null | \
"$GREP" CURL_DEF_TOKEN 2>/dev/null | \
"$SED" 's/.*CURL_DEF_TOKEN[[ ]]//' 2>/dev/null | \
- "$SED" 's/.*$1//' 2>/dev/null | \
- "$SED" 's/[[^$curl_cv_Letters]]//g' 2>/dev/null`
+ "$SED" 's/.*'$1'//' 2>/dev/null | \
+ "$SED" 's/[[^'$curl_cv_alnum']]//g' 2>/dev/null`
if test -z "$tmp_suf"; then
tmp_suf=""
fi